Literature about passport history or passport collecting is rare to find; therefore, you will get here some valuable guidelines written by experienced specialists.
- China – Passports In The Late Qing Dynasty (1880 – 1910)
- Russian Passport System
- Tracing Historical Passport Records – National Archive (UK)
- Identification Tags of German Southwest Africa (1884-1915)
- Guide to Selected U.S. Travel and Identity Documents
- Celebrity passports in the German ViewMagazine including an interview with me
- Americans on Paper: Identity and Identification in the American Revolution
- 19th Century French Passport Laws & Documents
- History of Biometrics
- Guidance on examining UK identity documents
- Under Swiss Protection – Jewish Eyewitness Accounts from Wartime Budapest